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      Sonio

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      Software Engineer Interview

      7 Mar 2023
      Anonymous interview candidate
      No offer
      Neutral experience

      Other Software Engineer interview reviews for Sonio

      Software Engineer Interview

      2 Feb 2026
      Anonymous interview candidate
      Declined offer
      Neutral experience
      Difficult interview

      Application

      I interviewed at Sonio

      Interview

      First an HR call to discuss about the company, then a Manager interview to talk about past experiences, then a System design and pair programming interview (1h30) and then cultural fit interview with CTO

      Interview questions [1]

      Question 1

      What's the biggest project you've worked on? Why do you want to work in the medical field?
      Answer question
      Average interview

      Application

      I applied through a recruiter. The process took 3 weeks. I interviewed at Sonio

      Interview

      - quelques mails avec un recruteur - 1 call fit général avec le CTO - 1 test tech (avec le CTO + 1 dev) Globalement ce n'était pas spécialement structuré, le temps entre 2 étapes était long et sans aucun retour, feedback final très limité et peu cohérent

      Interview questions [1]

      Question 1

      modéliser un simple jeu comme si c'était un vrai projet
      Answer question
      2

      Software Engineer Interview

      23 Sept 2024
      Anonymous interview candidate
      Paris
      No offer
      Negative experience
      Average interview

      Application

      I applied through a recruiter. The process took 4 weeks. I interviewed at Sonio (Paris) in Sept 2024

      Interview

      The interview process was pretty classic and consisted of: - an introductory 30 mins call with a Talent Acquisition Specialist - then an interview with the hiring manager, which was the CTO of the company, in which he introduced himself and he described the company's product, I shared my professional experiences and then a Q&A time -finally a 1h30 technical interview, consisting of a 1h system design + 15 minutes algorithmic exercise + introduction and Q&A Unfortunately I had a bad experience because the no-offer communication was vague, which, among other things like the interviewers' body language and the fact my salary expectation was I believe high considering the other employees', makes me think I was rather used as a "calibration" or maybe for knowing better the current market. Also, they got back to me only after 10 days, even if I had sent them an email 7 days after the technical interview.

      Interview questions [2]

      Question 1

      How would you design a tic-tac-toe online game?
      Answer question

      Question 2

      How would you write a function that gets a string as an input, and for which the output is true if the string can be rearranged as a palindrome, and false otherwise?
      Answer question